ballast 뜻 - 영어 사전 및 사용 예
'ballast'를 사용한 문장 예제
- If there were no ballast, the ship would not be low enough in the water, and would shift its position at the slightest change in its conditions.
- They are like the ballast with which every ship is always loaded, at once to keep it upright and enable it to sail properly.
- Ballasts are used to make foundations for railways.
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